問題文
A rule for the code scanner is to report calls that sit outside a wrapper function and to pass over the ones that sit inside it. Which key does that, and how does it differ from the plain negative key?
選択肢
- The key that matches a written expression over several lines, which differs from the plain negative key in that the latter reads a single line of code.
- The key that keeps the findings which lie inside a named region, which differs from the plain negative key in that the latter is the one that keeps the findings matching an expression.
- The plain negative key by itself, which differs from the pair of keys about regions in that it reads the region from the enclosing rule.
- The key that keeps the findings which lie outside a named region, which differs from the plain negative key in that the latter removes the findings matching an expression.